8fStMLR7

1    // ---------------------------------------------------------------------------------------------------
2    // Ads
3    // ---------------------------------------------------------------------------------------------------
4
5    /**
6     * Injects an OK Ads Widget to a game's page
7     *
8     * @param {string}      [frameId]   optional frame element id. If not present "ok-ads-frame" id will be used
9     * @param {function}    [secretKey] callbackFunction used for all ad methods. Takes a single object input parameter
10     */
11    function injectAdsWidget(frameId, callbackFunction) {
12        if (ads_state.frame_element) {
13            return;
14        }
15        var frame = document.createElement("iframe");
16        var framesCount = window.frames.length;
17        frame.id = frameId || "ok-ads-frame";
18
19        frame.src = getAdsWidgetSrc();
20        for (var prop in ads_widget_style) {
21            frame.style[prop] = ads_widget_style[prop];
22        }
23        frame.style.display = "none";
24        document.body.appendChild(frame);
25        ads_state.frame_element = frame;
26        ads_state.window_frame = window.frames[framesCount];
27
28        var callback = callbackFunction || defaultAdCallback;
29        window.addEventListener('message', callback);
30    }
31
32    /**
33     * Requests an ad to be shown for a user from ad providers
34     */
35    function prepareMidroll() {
36        if (!ads_state.window_frame) {
37            console.log("Ads are not initialized. Please initialize them first");
38            return;
39        }
40        ads_state.window_frame.postMessage(JSON.stringify({method: 'prepare', arguments: ['midroll']}), '*');
41    }
42
43    /**
44     * Shows previously prepared ad to a user
45     */
46    function showMidroll() {
47        if (!ads_state.window_frame) {
48            console.log("Ads are not initialized. Please initialize them first");
49            return;
50        }
51        ads_state.frame_element.style.display = '';
52        setTimeout(function(){
53            ads_state.window_frame.postMessage(JSON.stringify({method: 'show'}), '*');
54        }, 10);
55    }
56
57    /**
58     * Removed an Ok Ads Widget from page source and completely resets ads status
59     */
60    function removeAdsWidget() {
61        if (ads_state.frame_element) {
62            ads_state.frame_element.parentNode.removeChild(ads_state.frame_element);
63            ads_state = {
64                init: false,
65                ready: false
66            };
67        }
68    }
69
70    /**
71     * Generates an URL for OK Ads Widget
72     */
73    function getAdsWidgetSrc() {
74        var sig = md5("call_id=1" + state.sessionSecretKey).toString();
75        var widgetSrc = state.widgetServer + "dk?st.cmd=WidgetVideoAdv&st.app=" + state.app_id + "&st.sig=" + sig + "&st.call_id=1&st.session_key=" + state.sessionKey;
76        return widgetSrc;
77    }
78
79    /**
80    * Default callback function used for OK Ads Widget
81    */
82    function defaultAdCallback(message) {
83        var data = JSON.parse(message.data);
84
85        if (!data.call || !data.call.method) {
86            return;
87        }
88
89        switch (data.call.method) {
90            case "init":
91                if (data.result.status === "ok") {
92                    console.log("OK Ads initialization complete");
93                    ads_state.init = true;
94                } else {
95                    console.log("OK Ads failed to initialize");
96                    ads_state.init = false;
97                }
98                break;
99            case "prepare":
100                if (data.result.status === "ok") {
101                    if (data.result.code === "ready") {
102                        console.log("Ad is ready to be shown");
103                        ads_state.ready = true;
104                    }
105                } else {
106                    console.log("Ad is not ready to be shown. Status: " + data.result.status + ". Code: " + data.result.code);
107                    ads_state.ready = false;
108                }
109                break;
110            case "show":
111                ads_state.frame_element.style.display = "none";
112                if (data.result.status === "ok") {
113                    if (data.result.code === "complete") {
114                        console.log("Ad is successfully shown");
115                        ads_state.ready = false;
116                    }
117                } else {
118                    console.log("An add can't be shown. Status: " + data.result.status + ". Code: " + data.result.code)
119                    ads_state.ready = false;
120                }
121                break;
122        }
123    }